#include <LiquidCrystal_I2C.h>
#include "DHT.h"
#define DHTPIN 7
#define DHTTYPE DHT22

LiquidCrystal_I2C lcd(0x27, 16, 2);  // I2C address 0x3F, 16 column and 2 rows
DHT dht(DHTPIN, DHTTYPE);

void setup()
{
  dht.begin();     // initialize the sensor
  lcd.init();      // initialize the lcd
  lcd.backlight(); // open the backlight 
  pinMode (13,OUTPUT);
  pinMode (12, OUTPUT);
  pinMode (8, OUTPUT);
}

void loop()
{
  delay(2000); // wait a few seconds between measurements

  float humi  = dht.readHumidity();    // read humidity
  float tempC = dht.readTemperature(); // read temperature

  lcd.clear();

  if (tempC > 33){
 
    lcd.setCursor(0, 0);  // start to print at the first row
    lcd.print("Temp: ");
    lcd.print(tempC);     // print the temperature
    lcd.print((char)223); // print ° character
    lcd.print("C");
    lcd.setCursor(0, 1);  // start to print at the second row
    lcd.print("Humi: ");
    lcd.print(humi);      // print the humidity
    lcd.print("%");
    lcd.setCursor (11,1);
    lcd.print("HIGH");

    digitalWrite (13, HIGH);
  digitalWrite (12, LOW);
  digitalWrite (8, LOW);

  }

  if (tempC < 31){

    lcd.setCursor(0, 0);  // start to print at the first row
    lcd.print("Temp: ");
    lcd.print(tempC);     // print the temperature
    lcd.print((char)223); // print ° character
    lcd.print("C");
    lcd.setCursor(0, 1);  // start to print at the second row
    lcd.print("Humi: ");
    lcd.print(humi);      // print the humidity
    lcd.print("%");
    lcd.setCursor (11,1);
    lcd.print("LOW");

    digitalWrite (13, LOW);
  digitalWrite (12, HIGH);
  digitalWrite (8, LOW);


}

if (tempC == 31.2 && tempC == 33 && tempC ==32) {

   lcd.setCursor(0, 0);  // start to print at the first row
    lcd.print("Temp: ");
    lcd.print(tempC);     // print the temperature
    lcd.print((char)223); // print ° character
    lcd.print("C");
    lcd.setCursor(0, 1);  // start to print at the second row
    lcd.print("Humi: ");
    lcd.print(humi);      // print the humidity
    lcd.print("%");
    lcd.setCursor (11,1);
    lcd.print("AMBIENT");

    digitalWrite (13, LOW);
  digitalWrite (12, LOW);
  digitalWrite (8, HIGH);


}


}